Home / 121,907.19-182,694.69-58,722.72

Finding the Fourth Proportional to 121,907.19, 182,694.69 and 58,722.72

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Solution

The fourth proportional to 121,907.19, 182,694.69 and 58,722.72 is: 88,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,907.19 : 182,694.69 = 58,722.72 : x
  2. Step 2: Convert to fraction form
    121,907.19/182,694.69 = 58,722.72/x
  3. Step 3: Cross multiply
    121,907.19x = 182,694.69 × 58,722.72
  4. Step 4: Simplify right side
    121,907.19x = 10,728,329,126.36
  5. Step 5: Solve for x
    x = 10,728,329,126.36/121,907.19
  6. Step 6: Final answer
    x = 88,004.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.